US2631990A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Halogen-containing resins stabilized with stannanediol ether esters
Assignee: Advance Solvents and Chemical Corp
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Filing: 1950-03-23
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Granted: 1953-03-17
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Expires: 1970-03-23
Abstract
No abstract record available.
Inventors
- 👤 Gerry P Mack
- 👤 Ferdinand B Savarese
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:47
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/56; C08K5/57; C07; C07F; C07F7/00; C07F7/22; C07F7/2224
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
27 words
A HEAT AND LIGHT RESISTANT PLASTIC COMPOSITION INCLUDING AS A MAJOR CONSTITUENT A HALOGENCONTAINING RESIN AND AS A STABILIZER AND ORGANOSUBSTITUTED STANNANEDIOL ETHER ESTER OF THE FORMULA
Claim 2
Dependent Claim
27 words
A HEAT AND LIGHT RESISTANT PLASTIC COMPOSITION INCLUDING AS A MAJOR CONSTITUENT A HALOGENCONTAINING RESIN AND AS A STABILIZER AND ORGANOSUBSTITUTED STANNANEDIOL ETHER ESTER OF THE FORMULA
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-03-16 | 1956-09-15 | 1957-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-16 | 1960-09-15 | 1961-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-16 | 1964-09-15 | 1965-03-17 | $7700.00 | Window Closed / Lapsed |